Ñ raising ph to 7.5 with soda ash, U.s. customary units, Metric units – LaMotte Pool & Spa Owner's Handbook User Manual
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ñ Raising pH to 7.5 with Soda Ash*
U.S. Customary Units:
Starting
from
100
Gallons
1,000
Gallons
5,000
Gallons
10,000
Gallons
20,000
Gallons
50,000
Gallons
pH
—
Tsp
Lb
Oz
Lb
Oz
Lb
Oz
Lb
Oz
Lb
Oz
7.2 - 7.4
—
0.4
0
0.6
0
3.2
0
6.4
0
12.8
2
0
7.0 - 7.2
—
0.6
0
1
0
4.8
0
9.6
1
3.2
3
0
6.8 - 7.0
—
0.8
0
1.3
0
6.4
0
12.8
1
9.6
4
0
<6.7
—
1
0
1.6
0
8
1
0
2
0
5
0
Metric Units:
Starting
from
400
Liters
4000
Liters
20000
Liters
40000
Liters
80000
Liters
200000
Liters
pH
Kg
g
Kg
g
Kg
g
Kg
g
Kg
g
Kg
g
7.2 - 7.4
0
2
0
18
0
96
0
192
0
384
0
960
7.0 - 7.2
0
3
0
30
0
144
0
288
0
576
1
440
6.8 - 7.0
0
4
0
39
0
192
0
384
0
768
1
920
<6.7
0
5
0
48
0
240
0
480
0
960
2
400
Notes:
*
Treatments in low alkalinity waters require less soda ash while treatments
in high alkalinity waters may require more soda ash.
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